Power Systems Which of the following transformer is used in sub station for operating a protective relay? capacitor voltage transformer All of these auto transformer distribution transformer capacitor voltage transformer All of these auto transformer distribution transformer ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following is/are the methods of improving transient stability? Fast acting excitation control Dynamic breaking Fast acting governing system All of these Fast acting excitation control Dynamic breaking Fast acting governing system All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A sodium graphite reactors use a mixture of sodium and graphite as coolant. sodium as moderator and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. a mixture of sodium and graphite as coolant. sodium as moderator and graphite as coolant. sodium as coolant and graphite as moderator. a mixture of sodium and graphite as moderator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Area under the daily curve divided by 24 gives average load units generated maximum load maximum demand average load units generated maximum load maximum demand ANSWER DOWNLOAD EXAMIANS APP
Power Systems At slack bus, which one of the following combinations of variables is not specified? V and δ P and V P and Q Q and V V and δ P and V P and Q Q and V ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a biased differential relay the bias is defined as the ratio of operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and operating coil current. fault current and restraining coil current. operating coil current and restraining coil current. number of turns of restraining and operating coil. fault current and operating coil current. fault current and restraining coil current. ANSWER DOWNLOAD EXAMIANS APP
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